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| Number | Title | Issue Date |
| 8016097 | Escalator linear belt handrail drive An escalator handrail drive arrangement includes a drive belt (26) mounted within a drive housing (35). Pressure rollers (30) are mounted in pairs and pivotally attached to the drive housing. The pressure rollers bias a handrail (22) agai... | 09/13/2011 |
| 7958986 | Passenger conveyor handrail drive device An exemplary device for driving a handrail of a passenger conveyor includes a handrail drive member configured to engage a handrail. A motor is associated with the drive member such that a driving output of the motor is exclusively for moving the handrail drive memb... | 06/14/2011 |
| 7954620 | Passenger conveyor handrail drive control strategy A passenger conveyor assembly (20) includes a moveable stepping surface (22). A first drive (50) is operative to move the stepping surface (22). A handrail (30) and a second drive (40) is provided as part of the passenger co... | 06/07/2011 |
| 7735623 | Linearly actuated rotating handrail system for escalators and moving walkways The present invention is a linearly actuated rotating handrail system for escalators and moving walkways. The system includes a worm band or a handrail, having a first friction device on one side, a dragging device formed by a second friction device and coupled to t... | 06/15/2010 |
| 7353932 | Travelator, moving ramp or escalator A travelator, moving ramp or escalator comprises a conveyor having a driven end driven by a power machine and a non-driven end. At the driven end, a first drive element, in the form of an endless loop, is passed over a first driving pulley rotated by the power machi... | 04/08/2008 |
| 7320393 | Conveyor An arrangement for a people mover located near a floor surface comprises a transport conveyor structure including a conveyor and a handrail having a casing. A drive machine is operatively arranged at least for moving the conveyor and the handrail. The drive machine ... | 01/22/2008 |
| 7219784 | Belt drive assembly for a passenger conveyor A passenger conveyor drive belt assembly (40) includes a belt support (60) that facilitates proper engagement between the drive belt (42) and corresponding links (32) of a step chain (30) under selected conditions such as a full br... | 05/22/2007 |
| 7168547 | Passenger conveyor drive machine Passenger conveyor (2) including an endless conveyor band (6) connected to a drive chain (8) at each lateral edge thereof and driven by a conveyor band drive (40) including an electric motor (48) and one drive output device (42 | 01/30/2007 |
| 7137500 | Passenger conveyor drive module arrangement A passenger conveyor system (20) has a drive module that engages only one side (50) of the step chain loop (30). In a multiple drive module arrangement, at least one of the drive modules (40B) engages both sides (50, 52) of the ste... | 11/21/2006 |
| 6974018 | Handrail-drive for an escalator or a moving walk An escalator has a step-band with steps for the transport of persons. The step-band is bounded on its sides by a balustrade held by a balustrade base. A handrail-drive drives the handrails, and has friction-wheels driving the handrails on the outside of the handrail... | 12/13/2005 |
| 6971497 | Handrail-drive for an escalator or a moving walk A handrail-drive for an escalator or moving walk drives the handrail through frictional contact with an outside surface of the handrail. Press-on rollers engaging the inside of the handrail may be employed to press the handrail against a drive-wheel of the drive. Th... | 12/06/2005 |
| 6685004 | Escalator drive machine An escalator drive machine includes a motor output sheave connected to a drive motor through a belt reduction assembly including a main output sheave. A drive belt extends from the belt reduction assembly and is guided along a plurality of guide sheaves t... | 02/03/2004 |
| 6640959 | Drive for escalators or moving sidewalks In connection with a drive for escalators or moving sidewalks that is mounted within the step or pallet belt and comprises a distributor gear with two output shafts, specifically one for the handrail and one for the step or pallet belt, whereby each outpu... | 11/04/2003 |
| 6527099 | Belt drive back up device for escalator drive An escalator drive machine includes a motor output sheave which drives a drive belt along a closed look between the output sheave and a drive sprocket. The output sheave engages the drive belt with the step chain such that the step chain and attached trea... | 03/04/2003 |
| 6457573 | Belt drive back up device for escalator drive An escalator drive machine includes a motor output sheave which drives a drive belt along a closed look between the output sheave and a drive sprocket. The output sheave engages the drive belt with the step chain such that the step chain and attached trea... | 10/01/2002 |
| 6450317 | Escalator drive machine An escalator drive machine includes a motor output sheave connected to a drive motor through a belt reduction assembly including a main output sheave. A drive belt extends from the belt reduction assembly and is guided along a plurality of guide sheaves t... | 09/17/2002 |
| 6260687 | Equipment and method for simplified roller bearing exchange at escalators and moving walkways An apparatus for exchanging roller bearings of escalator and moving walkway chainwheel sub-assemblies includes the provision of auxiliary supports to which the chainwheel sub-assembly can be fixed. With removal of axle carriers the central axle becomes ac... | 07/17/2001 |
| 6199678 | Hand rail driving apparatus for escalator The present invention comprises a hand rail driving apparatus which can easily compensate loss of driving force and tension of a hand rail, which is essential to safety of an escalator without damaging a flat belt or a roller thereof. The hand rail drivin... | 03/13/2001 |
| 6119845 | Passenger conveyer Present invention relates to a hand rail driving pulley for a passenger conveyor. According to the invention, when difference between the moving velocity of a step and the moving velocity of a hand rail generates, by adjusting the radius of the driving pu... | 09/19/2000 |
| 5755315 | Handrail drive for a passenger conveyor A handrail drive for a passenger conveyor includes a drive belt that does not encompass either the main drive shaft or the handrail drive shaft. In a particular embodiment, the drive belt includes a plurality of outwardly extending teeth and is formed fro... | 05/26/1998 |
| 5566810 | Reduction of handrail vibration in passenger conveyors Movement of the handrail on an escalator or moving walkway passenger conveyor is smoothed out by providing a totally elastomeric coupling between the conveyor step chain and the handrail drive mechanism. The handrail drive mechanism is a friction drive ro... | 10/22/1996 |
| 5522492 | Escalator handrail drive system The present invention comprises an improved escalator handrail drive system. The system is a drive wheel with an uphill and downhill side, an escalator handrail wrapped around a portion of the drive wheel, and two pressure rollers. One pressure roller is ... | 06/04/1996 |
| 5379877 | Handrail drive for escalators, moving sidewalks or the like A handrail drive located at a reversal region of a handrail. The handwheel drive has a motor-gear assembly including an electric motor and a multistage planet gear assembly. The handwheel drive further includes a handrail wheel having a drive region conne... | 01/10/1995 |
| 5131521 | Moving handrail drive A moving handrail on an escalator or the like is driven by pairs of rollers which form a nip through which the handrail moves. The rollers are eccentrically mounted so as to automatically tighten the nip in response to resistance to movement of the handra... | 07/21/1992 |
| 5125494 | Handrail drive mechanism for a passenger conveyor A drive pulley system is provided for a handrail drive mechanism of a passenger conveyor. The system includes a pulley, with a handrail drive belt wrapped about the pulley for rotation therewith. A pair of disc-like members are disposed on opposite sides ... | 06/30/1992 |
| 5092446 | Handrail monitoring system A handrail monitoring system for use in a passenger conveyor such as an escalator, moving sidewalk or the like, compares the speed of each handrail against their nominal installed speed and responds when the handrail speeds differ from nominal by a select... | 03/03/1992 |
| 5090551 | Man conveyor A conveyer for transporting people includes a transmitting mechanism for transmitting the drive force of a treadboard driving section for moving treadboards to a drive mechanism of a handrail driving section for moving handrails. The transmitting mechanis... | 02/25/1992 |
| 5072820 | Escalator handrail stop device The handrail of an escalator is continuously monitored for movement by a sensor assembly. In the event that the handrail stops moving, the escalator steps are stopped so as to provide a safe environment for passengers on the escalator. The system can also... | 12/17/1991 |
| 4895240 | Cogbelt handrail drive for passenger conveyor The handrail of an escalator of other passenger conveyor is driven by traction rollers which engage the handrail and also directly engage links which are connected to and drive the steps or tread of the conveyor. The handrail is biased into engagement wit... | 01/23/1990 |
| 4775044 | Parallel drive for escalators or moving sidewalks A parallel drive for escalators or moving sidewalks is located within the region of reversal and inside the rotating step or pallet belt, the drive including with electric motor, gearing, step or pallet drive apparatus and handrail drive apparatus. The ap... | 10/04/1988 |
| 4674619 | Passenger conveyor A passenger conveyor including body frame is formed of a main frame including upper and lower horizontal sections and an inclined section therebetween, and upper and lower auxiliary frames mounted on the upper and lower horizontal sections of the main fra... | 06/23/1987 |
| 4589539 | Transportation apparatus having a moving handrail Transportation apparatus, such as a moving walk or an escalator, having a continuous handrail driven about a closed loop by a handrail drive. The closed loop includes a longitudinal axis, or axes, which divide a load run on which passengers may grasp the ... | 05/20/1986 |
| 4580675 | Transportation apparatus Transportation apparatus for transporting passengers between spaced landings, including a conveyor, a conveyor drive unit, a handrail, a handrail drive unit, and a handrail drive pulley. The conveyor drive unit includes first and second spaced sprockets, ... | 04/08/1986 |
| 4535880 | Escalator An escalator having a drive unit mounted in a supporting truss via a deflection beam. Load forces developed in the drive unit are transmitted from the drive unit to the ends of the deflection beam via elongated mounting base members which are not subjecte... | 08/20/1985 |
| 4295556 | Passenger conveyor A passenger conveyor has a plurality of steps each including a treadboard provided with a number of cleats and grooves defined therebetween, the cleats being adapted to mesh with teeth of a comb-like plate at each terminal of the conveyor, and a frame to ... | 10/20/1981 |
| 4227605 | Driving unit for escalators for driving the step band A driving unit for driving the circulating step band of escalators which is arranged inwardly of the step band and includes an electric motor, a transmission and a hand rail drive. The output shaft of the transmission simultaneously serves as main drive s... | 10/14/1980 |
